Dolph Ulrich
Bibliography
Ulrich, Dolph. 1983. “The Finite Model Property and Recursive Bounds on the Size of Countermodels.” The Journal of Philosophical Logic 12(4): 477–480.
Ulrich, Dolph. 1989. “The Non-Existence of Finite Characteristic Matrices for Subsystems of \(R_1\).” in Directions in Relevant Logic, edited by Jean Norman and Richard Sylvan, pp. 177–178. Reason and Argument n. 1. Dordrecht: Kluwer Academic Publishers.
Ulrich, Dolph. 2016. “Single Axioms and Axiom-Pairs for the Implicational Fragments of R, R-Mingle, and Some Related Systems.” in J. Michael Dunn on Information Based Logics, edited by Katalin Bimbó, pp. 53–80. Outstanding Contributions to Logic n. 8. Cham: Springer, doi:10.1007/978-3-319-29300-4.